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USMLE Step 2 CK Mnemonics Mnemonics, acronyms, reminders, and memorizing tips for the USMLE Step 2 CK.

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Old 11-27-2010
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Smile Spinal Anesthesia Agents Mnemonic

Agents for Spinal Anesthesia

Mnemonic: Little Boys Prefer Toys
  • Lidocaine
  • Bupivicaine
  • Procaine
  • Tetracaine

1- Lidocaine provides a short duration of anesthesia and is primarily useful for surgical and obstetrical procedures lasting less than one hour.

2- Tetracaine Vs Bupivacaine: Tetracaine and bupivacaine are used for procedures lasting 2 to 5 hours. Tetracaine appears to provide a somewhat longer duration of anesthesia and a more profound degree of motor block than does bupivacaine. On the other hand, compared with tetracaine, bupivacaine has been demonstrated to be associated with a decreased incidence of hypotension.
In addition, bupivacaine may be better than tetracaine for use in orthopedic surgical procedures since it appears to be associated with a lower incidence of tourniquet pain.

3- Vasoconstrictors can prolong the duration of spinal anesthesia of all three agents. However, the greatest duration is seen when vasoconstrictors are added to tetracaine solutions.
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The above post was thanked by:
kajol1 (11-27-2010), rasheed (11-27-2010), Taiwan_Guy (12-05-2010)


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